An American Airlines plane carrying 60 passengers and four crew members collided with an Army Black Hawk helicopter outside Reagan National Airport near Washington, D.C. Wednesday night. A D.C. fire official said Thursday that “we don't think there are any survivors from this accident" and "we are switching from a rescue operation to a recovery operation.

A day after the United States witnessed its deadliest aviation disaster in over two decades, a preliminary report from the Federal Aviation Administration (FAA) suggests the Reagan National Airport control tower — responsible for guiding pilots—was understaffed,